Legacy IDCRL authentication in SharePoint Online will be retired starting February 2026. Admins should review Purview Audit Logs and update any applications still using legacy protocols.
Microsoft will retire Teams-specific feedback policies, as Teams Mobile is the last remaining platform. Feedback policies should now be managed by the Cloud Policy service.
Microsoft will retire the Visio Data Visualizer Add-in for Excel in March 2026. Existing diagrams in Excel will stop rendering. Users must export their diagrams to Visio format before the shutdown.
Microsoft will retire the Favorite contacts feature in Places. Going forward, Places should surface frequent contacts based on Microsoft 365 usage patterns.
Microsoft will retire the Send to Kindle integration in Word for Windows, Mac, and the web. The feature lets users upload Word documents directly to their Kindle library.
Microsoft will retire the option to manage Copilot Frontier access via Entra ID groups. AI Admins must assign users individually going forward.
Microsoft will retire the Reuse Slides feature from PowerPoint for Windows and Mac. Users should instead use Copy & Paste or Drag & Drop to reuse slides.
Microsoft will retire the activity-based authentication timeout for Outlook on the web starting in January 2026. Admins should switch to the Microsoft 365 idle session timeout to maintain consistent session control across web apps.
Microsoft is retiring the Outlook Lite app for Android starting in October 2025, beginning with new users. Existing users can continue for a limited time before the app is fully retired in favor of Outlook Mobile.
Microsoft will retire the Editor extensions for Edge and Chrome. Writing assistance is being consolidated into Microsoft Edge’s built-in proofing, offering AI-powered grammar, spelling, and style checks without the need for separate extensions.
Microsoft is retiring the web-based Share to Teams experience in Outlook. Starting late September 2025, the feature will only work with the Teams desktop app installed. Users without the client will no longer see the standalone web dialog and will be prompted to install Teams instead.
The legacy Saved app in Teams Mobile will be retired and replaced with a new, integrated Saved experience. Users can now re-save previously saved messages to make them available in the new experience.
Outlook will soon stop rendering inline SVG images, displaying blank space in their place. SVG files sent as attachments will still be accessible from the attachment area.
Microsoft will remove the legacy Teams calendar, making the new experience the only option with no ability to opt out.
The Word feature “Transform to Web Page” will be retired. Users should use Microsoft Sway to create web content from Word files.
Microsoft is retiring Microsoft Mesh in December 2025, along with other Mesh products.
Rendering of Loop components in Word for the web will be retired in September 2025, shifting to read-only placeholders.
The Speaker Coach feature in Teams will be retired due to feedback and usage evaluations.
A key update is coming to a Teams policy: the MeetingRecordingOwnership setting will transition to default recordings being saved in the meeting organizer’s OneDrive.
The Microsoft Lists mobile app for Android and iOS will be retired. Users should use the mobile browser experience, which offers more features and updates.